linux-kernel - [PATCH v5 0/6] Add DMAC support to the RZ/V2H(P)

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Message-Id: <20250305002112.5289-1-fabrizio.castro.jz@renesas.com>
Date: Wed,  5 Mar 2025 00:21:06 +0000
From: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
To: Vinod Koul <vkoul@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>
Cc: Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Magnus Damm <magnus.damm@...il.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v5 0/6] Add DMAC support to the RZ/V2H(P)

Dear All,

This series adds DMAC support to the Renesas RZ/V2H(P).

Cheers,
Fab

v4->v5:
* Clock patch queued up for v6.15, therefore dropped from this
  version of the series
* Adjusted the dmac cell specification according to Geert's
  comments
* Removed registration of ACK No. throughout
* Reworked DMAC driver as per Geert's comments
v3->v4:
* Fixed an issue with mid_rid/req_no/ack_no initialization
v2->v3:
* Replaced rzv2h_icu_register_dma_req_ack with
  rzv2h_icu_register_dma_req_ack() in ICU patch changelog
* Added dummy for rzv2h_icu_register_dma_req_ack()
* Reworked DMAC driver as per Geert's suggestions.
v1->v2:
* Improved macros in ICU driver
* Shared new macros between ICU driver and DMAC driver
* Improved dt-bindings
Fabrizio Castro (6):
  dt-bindings: dma: rz-dmac: Restrict properties for RZ/A1H
  dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs
  irqchip/renesas-rzv2h: Add rzv2h_icu_register_dma_req()
  dmaengine: sh: rz-dmac: Allow for multiple DMACs
  dmaengine: sh: rz-dmac: Add RZ/V2H(P) support
  arm64: dts: renesas: r9a09g057: Add DMAC nodes

 .../bindings/dma/renesas,rz-dmac.yaml         | 112 ++++++++++--
 arch/arm64/boot/dts/renesas/r9a09g057.dtsi    | 165 ++++++++++++++++++
 drivers/dma/sh/rz-dmac.c                      |  84 ++++++++-
 drivers/irqchip/irq-renesas-rzv2h.c           |  35 ++++
 include/linux/irqchip/irq-renesas-rzv2h.h     |  23 +++
 5 files changed, 394 insertions(+), 25 deletions(-)
 create mode 100644 include/linux/irqchip/irq-renesas-rzv2h.h

-- 
2.34.1